Beef Stew - Cooking like a Boss

True zero-pre-cooking slow cooker beef stew. Really tasty and very easy. Serve with mash.

1000ml 1l 66 ²⁄₃tbsp 200tsp 4.23cup 1.76pint boiling water			mix up in slow cooker and cook for 8-10 hours on low
1 ²⁄₃ beef stock cube	crumble
3 ¹⁄₃ tbsp 0.05 l 50 ml 10 tsp 0.211 cup 0.088 pint tomato purée
1 ²⁄₃ tbsp 0.025 l 25 ml 5 tsp 0.106 cup 0.044 pint Marmite
1500g 1 ¹⁄₂kg 3.31lb 52.9oz braising steak	cut into 3cm chunks
166 ²⁄₃g ¹⁄₆kg 0.367lb 5.88oz smoked bacon lardons
3 ¹⁄₃ onions	thinly slice
6 ²⁄₃ carrots	peel	cut into 3cm chunks
6 ²⁄₃ celery sticks	cut into 3cm lengths
5 tbsp 0.075 l 75 ml 15 tsp 0.317 cup 0.132 pint plain flour
1 ²⁄₃ tsp 0.008 l 8 ¹⁄₃ ml 0.556 tbsp 0.035 cup 0.015 pint salt
1 ²⁄₃ tsp 0.008 l 8 ¹⁄₃ ml 0.556 tbsp 0.035 cup 0.015 pint dried mixed herbs
1 ²⁄₃ bay leaf
ground black pepper